The baby who refused to walk.
D000361:Agammaglobulinemia / Q000150:complications* / Q000175:diagnosis; D001171:Arthritis, Juvenile / Q000175:diagnosis; D005500:Follow-Up Studies; D005873:Giardiasis / Q000150:complications; D006130:Growth Disorders / Q000150:complications*; D006801:Humans; D007223:Infant; D007411:Intestinal Diseases, Parasitic / Q000150:complications; D007787:Lactose Intolerance / Q000150:complications; D008297:Male